Patents by Inventor Klaus Ruthemann

Klaus Ruthemann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Coke oven door with wraparound gas channel and membrane
    Publication number: 20050040025
    Abstract: The invention relates to a coke oven door (1) with a gas channel that substantially encloses the oven door and a membrane that is fastened on the coke oven door (1) and that can be forced against the chamber frame against the action of a spring. The gas channel (5) is fastened on an at least bilayered membrane (3).
    Type: Application
    Filed: November 26, 2002
    Publication date: February 24, 2005
    Inventors: Hans-Josef Giertz, Klaus Ruthemann, Jurgen George, Franz Liesewitz, Horst Schroder, Friedrich Cyris